Lamellar keratoplasty in keratoconus.
D001251:Astigmatism / Q000150:complications; D016039:Corneal Transplantation; D006801:Humans; D007640:Keratoconus / Q000150:complications / Q000601:surgery*; D011183:Postoperative Complications; D014786:Vision Disorders / Q000150:complications